A 42-foot sperm whale has about 7 tons of oil in it.
209
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Only 3% of bird species have penises.
0
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8